113215 has 4 divisors (see below), whose sum is σ = 135864. Its totient is φ = 90568.

The previous prime is 113213. The next prime is 113227. The reversal of 113215 is 512311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113215 - 2¹ = 113213 is a prime.

It is a Duffinian number.

113215 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 113195 and 113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11317 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (33966).

2¹¹³²¹⁵ is an apocalyptic number.

113215 is a deficient number, since it is larger than the sum of its proper divisors (22649).

113215 is an equidigital number, since it uses as much as digits as its factorization.

113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22648.

The product of its digits is 30, while the sum is 13.

The square root of 113215 is about 336.4743675230. The cubic root of 113215 is about 48.3765236874.

Adding to 113215 its reverse (512311), we get a palindrome (625526).

The spelling of 113215 in words is "one hundred thirteen thousand, two hundred fifteen".